Is Methoxy PEG-7 safe in cosmetics?
Methoxy PEG-7 has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
MODERATE
Cosmetic Ingredient
Methoxy PEG-7
Also known as: Poly(oxy-1,2-ethanediyl), α-methyl-ω-hydroxy- Polymer, Glycols, polyethylene, monomethyl ether, Ethylene oxide-methanol adduct, Carbowax 2000, Aduxol MPEG 550 (+15 more)
INCI: METHOXY PEG-7
Methoxy PEG-7 (CAS 9004-74-4) is a cosmetic cosmetic ingredient functioning as Humectant, solvent. NOAEL 94 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
Function
Humectant, solvent
Editorial assessment
MODERATE
Preliminary editorial note — not a computed safety verdict.
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Allowed - not listed as prohibited or restricted; CIR assessed as safe in the alkyl PEG ethers group
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Methoxy PEG-7.
Calculate MoS for your specific formulation with the MoS Calculator.
Pre-Calculated Safety Assessment
Pre-calculated NOAEL → SED → MoS audit trail for Methoxy PEG-7 across SCCS product categories, with measured dermal absorption where available.
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Dispersing agent
Film former
Humectant
Solvent
Regulatory List Membership (1)
EPA Safer Chemical Ingredients List (SCIL)
Editorial summary
Preliminary editorial summary for Methoxy PEG-7 — not a computed safety verdict. See the sourced toxicological data above.
Regulatory Flags
peg-ingredient
epa_safer_alternative
Known Synonyms
Poly(oxy-1,2-ethanediyl), α-methyl-ω-hydroxy- Polymer
Glycols, polyethylene, monomethyl ether
Ethylene oxide-methanol adduct
Carbowax 2000
Aduxol MPEG 550
2,5,8,11,14,17,20,23,26,29,32,35-Dodecaoxaheptatriacontan-37-ol
2,5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50-Heptadecaoxadopentacontan-52-ol
Monomethoxypolyethylene glycol
Monomethoxy poly(ethylene oxide)
Methoxypoly(ethylene glycol)
Methoxypolyethylene glycol
Methyl polyglycol
Methyl polyoxyethylene
PEG 550 monomethyl ether
Nissan Uniox M 100
O-Methoxypolyethylene glycol
Pluriol A 1000E
Poly(ethylene oxide) monomethyl ethe
Polyethylene glycol methyl ether
Polyglycol M 2000S
Chemical Function
Solvent
Humectant
Regulatory Lists
inert_ingredient; non_food_use; Pesticides
SCIL (9/2019)
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Methoxy PEG-7 allowed in the EU?
Methoxy PEG-7 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Methoxy PEG-7 do in cosmetics?
Methoxy PEG-7 functions as: Humectant, solvent. It is classified as a cosmetic ingredient in our database. CAS number: 9004-74-4.
Compliance Tools
Check Methoxy PEG-7 compliance across multiple jurisdictions:
Ingredient Decoder
Paste a full ingredient list for instant analysis
82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
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